LOR+PANIC in 7.0-CURRENT
Olivier Warin
daffy at xview.net
Tue Dec 27 16:22:04 PST 2005
Please provide the dmesg and your kernel config files when reporting
crash...
Le 27 déc. 05 à 22:43, Goran Gajic a écrit :
> FreeBSD 7.0-CURRENT FreeBSD 7.0-CURRENT #16: Mon Dec 26 19:39:26
> CET 2005 root@:/usr/src/sys/i386/compile/TEST i386
>
>
> lock order reversal: (sleepable after non-sleepable)
> 1st 0xc2b77498 inp (tcpinp) @ netinet/tcp_input.c:743
> 2nd 0xc0967ec4 user map (user map) @ vm/vm_map.c:2993
> KDB: stack backtrace:
> kdb_backtrace(0,ffffffff,c0977848,c0977488,c092ad8c) at
> kdb_backtrace+0x29
> witness_checkorder(c0967ec4,9,c08b631d,bb1) at witness_checkorder
> +0x580
> _sx_xlock(c0967ec4,c08b6314,bb1) at _sx_xlock+0x50
> _vm_map_lock_read(c0967e80,c08b6314,bb1,216da80,c216c6ec) at
> _vm_map_lock_read+0x33
> vm_map_lookup(cbfd9888,0,2,cbfd988c,cbfd987c) at vm_map_lookup+0x28
> vm_fault(c0967e80,0,2,8,c216da80) at vm_fault+0x65
> trap_pfault(cbfd99a4,0,44) at trap_pfault+0xee
> trap(c2160008,cbfd0028,c0690028,44,c28baa63) at trap+0x3cd
> calltrap() at calltrap+0x5
> --- trap 0xc, eip = 0xc0829b36, esp = 0xcbfd99e4, ebp = 0xcbfd9a14
> ---
> generic_bcopy(c28baa63,6d,c228a438,c228a438,c0929784) at
> generic_bcopy+0x1a
> pppasyncstart(c243a600,c227210c,0,c08a5fee,3af) at pppasyncstart
> +0x108
> pppoutput(c2272000,c2a52500,c2846330,c2437ba0,c2849c00) at
> pppoutput+0x2b2
> ip_output(c2a52500,0,cbfd9ac8,0,0) at ip_output+0x7b6
> tcp_output(c2b74c94) at tcp_output+0xff6
> tcp_input(c2a52400,14,138,16055b93,0) at tcp_input+0x2bff
> ip_input(c2a52400) at ip_input+0x5a1
> netisr_processqueue(c09b5098) at netisr_processqueue+0x6e
> swi_net(0) at swi_net+0xc2
> ithread_execute_handlers(c216c684,c216a400) at
> ithread_execute_handlers+0xe6
> ithread_loop(c21566f0,cbfd9d38,c21566f0,c0659f00,0) at ithread_loop
> +0x66
> fork_exit(c0659f00,c21566f0,cbfd9d38) at fork_exit+0xa4
> fork_trampoline() at fork_trampoline+0x8
> --- trap 0x1, eip = 0, esp = 0xcbfd9d6c, ebp = 0 ---
>
>
> Fatal trap 12: page fault while in kernel mode
> fault virtual address = 0x0
> fault code = supervisor read, page not present
> instruction pointer = 0x20:0xc0829b36
> stack pointer = 0x28:0xcca66c5c
> frame pointer = 0x28:0xcca66c88
> code segment = base 0x0, limit 0xfffff, type 0x1b
> = DPL 0, pres 1, def32 1, gran 1
> processor eflags = interrupt enabled, resume, IOPL = 0
> current process = 28 (swi0: sio)
>
> For some reason I couldn't use kgdb to do bactrace:
>
> # kgdb /usr/src/sys/i386/compile/TEST/kernel.debug /var/crash/
> vmcore.0
> kgdb: cannot read PTD
> #
>
>
> Regards,
> gg.
>
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--
Olivier Warin - http://xview.net
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